Schema | Slack MCP Server

Slack MCP Server

Describes the environment variables required to run the server.

Name	Required	Description	Default
No arguments

Features and capabilities supported by this server

Capability	Details
`tools`	{ "listChanged": true }
`logging`	{}
`prompts`	{ "listChanged": false }
`resources`	{ "subscribe": false, "listChanged": false }
`extensions`	{ "io.modelcontextprotocol/ui": {} }
`experimental`	{}

Functions exposed to the LLM to take actions

Name	Description
send_messageB	Post a Slack message via Incoming Webhook.
send_payloadA	Post a pre-built Slack webhook payload (object or array of objects). Same contract as send_to_slack.sh: a single payload object, or an array for multi-part messages (1s spacing between parts, 429 retry).
send_markdownA	Convert Markdown to Slack Block Kit and send via Incoming Webhook. Handles headings, dividers, code blocks, tables (bullets when links are present), mrkdwn inline formatting, Slack size limits, and multi-part splitting with (n/m) sequence headers.

Interactive templates invoked by user choice

Name	Description
No prompts

Contextual data attached and managed by the client

Name	Description
No resources

We provide all the information about MCP servers via our MCP API.

curl -X GET 'https://glama.ai/api/mcp/v1/servers/rokej/slack-mcp-server'

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